Fix plotter not doing output transformation for fields

Author: jonathan-eq

src/ert/storage/local_ensemble.py

@@ -11,7 +11,7 @@
 from functools import cache, cached_property, lru_cache
 from multiprocessing.pool import ThreadPool
 from pathlib import Path
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, cast
 from uuid import UUID
 
 import numpy as np
@@ -27,6 +27,7 @@
     ParameterConfig,
     SummaryConfig,
 )
+from ert.config.field import Field, field_transform
 from ert.exceptions import StorageError
 from ert.substitutions import substitute_runpath_name
 
@@ -892,7 +893,14 @@ def calculate_std_dev_for_parameter_group(
         data = self.load_parameters(parameter_group)
         if isinstance(data, pl.DataFrame):
             return data.drop("realization").std().to_numpy().reshape(-1)
-        return data.std("realizations")["values"].to_numpy()
+        param_config = self.experiment.parameter_configuration.get(parameter_group)
+        values = data["values"]
+        if isinstance(param_config, Field) and param_config.output_transformation:
+            values = cast(
+                xr.DataArray,
+                field_transform(values, param_config.output_transformation),
+            )
+        return values.std("realizations").to_numpy()
 
     def get_parameter_state(
         self, realization: int

test-data/ert/heat_equation/config.ert

@@ -22,7 +22,7 @@ GRID CASE.EGRID
 OBS_CONFIG observations_loc.txt
 ECLBASE HEAT
 
-FIELD COND PARAMETER cond.bgrdecl INIT_FILES:cond.bgrdecl FORWARD_INIT:True
+FIELD COND PARAMETER cond.bgrdecl INIT_FILES:cond.bgrdecl FORWARD_INIT:True INIT_TRANSFORM:LOG OUTPUT_TRANSFORM:EXP
 
 GEN_KW INIT_TEMP_SCALE init_temp_prior.txt
 GEN_KW CORR_LENGTH corr_length_prior.txt